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KAlF4 has been prepared by different procedures and product characterized by XRD and SEM methods. It is indicated that s......
由一道练习题引发的学生探讨,向氢硫酸的溶液中缓缓通入氯气,在氢硫酸与氯气的反应过程中的实验现象。学生们可以通过"方案设计——......